243407928127 has 8 divisors (see below), whose sum is σ = 299578988576. Its totient is φ = 192586492512.

The previous prime is 243407928109. The next prime is 243407928139. The reversal of 243407928127 is 721829704342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243407928127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243407928107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337406108 + ... + 1337406289.

It is an arithmetic number, because the mean of its divisors is an integer number (37447373572).

Almost surely, 2^243407928127 is an apocalyptic number.

243407928127 is a deficient number, since it is larger than the sum of its proper divisors (56171060449).

243407928127 is a wasteful number, since it uses less digits than its factorization.

243407928127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674812417.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 243407928127 in words is "two hundred forty-three billion, four hundred seven million, nine hundred twenty-eight thousand, one hundred twenty-seven".